采用红，黑和军绿三层布进行遮光，使用与野战帐篷类似的方法支撑于地面形成空间。
Methods Three layers of colored cloth in red , black and army green were used for light-proving .
最常用的办法是采用不透明黑色塑料布或黑色棉布加工的遮光罩。
The most commonly used method is to use opaque black plastic sheeting or black cotton processing Hood.
最常用的办法是采用不透明黑色塑料布或黑色棉布加工的遮光罩。
The most commonly used method is to use opaque black plastic sheeting or black cotton processing Hood.
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